mirror of
https://bitbucket.org/chromiumembedded/cef
synced 2024-12-15 02:54:20 +01:00
93c1a7fcd7
git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1928 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
175 lines
6.9 KiB
C++
175 lines
6.9 KiB
C++
// Copyright (c) 2012 Marshall A. Greenblatt. All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following disclaimer
|
|
// in the documentation and/or other materials provided with the
|
|
// distribution.
|
|
// * Neither the name of Google Inc. nor the name Chromium Embedded
|
|
// Framework nor the names of its contributors may be used to endorse
|
|
// or promote products derived from this software without specific prior
|
|
// written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
// ---------------------------------------------------------------------------
|
|
//
|
|
// The contents of this file must follow a specific format in order to
|
|
// support the CEF translator tool. See the translator.README.txt file in the
|
|
// tools directory for more information.
|
|
//
|
|
|
|
#ifndef CEF_INCLUDE_CEF_RENDER_HANDLER_H_
|
|
#define CEF_INCLUDE_CEF_RENDER_HANDLER_H_
|
|
#pragma once
|
|
|
|
#include "include/cef_base.h"
|
|
#include "include/cef_browser.h"
|
|
#include "include/cef_drag_data.h"
|
|
#include <vector>
|
|
|
|
///
|
|
// Implement this interface to handle events when window rendering is disabled.
|
|
// The methods of this class will be called on the UI thread.
|
|
///
|
|
/*--cef(source=client)--*/
|
|
class CefRenderHandler : public virtual CefBase {
|
|
public:
|
|
typedef cef_cursor_type_t CursorType;
|
|
typedef cef_drag_operations_mask_t DragOperation;
|
|
typedef cef_drag_operations_mask_t DragOperationsMask;
|
|
typedef cef_paint_element_type_t PaintElementType;
|
|
typedef std::vector<CefRect> RectList;
|
|
|
|
///
|
|
// Called to retrieve the root window rectangle in screen coordinates. Return
|
|
// true if the rectangle was provided.
|
|
///
|
|
/*--cef()--*/
|
|
virtual bool GetRootScreenRect(CefRefPtr<CefBrowser> browser,
|
|
CefRect& rect) { return false; }
|
|
|
|
///
|
|
// Called to retrieve the view rectangle which is relative to screen
|
|
// coordinates. Return true if the rectangle was provided.
|
|
///
|
|
/*--cef()--*/
|
|
virtual bool GetViewRect(CefRefPtr<CefBrowser> browser, CefRect& rect) =0;
|
|
|
|
///
|
|
// Called to retrieve the translation from view coordinates to actual screen
|
|
// coordinates. Return true if the screen coordinates were provided.
|
|
///
|
|
/*--cef()--*/
|
|
virtual bool GetScreenPoint(CefRefPtr<CefBrowser> browser,
|
|
int viewX,
|
|
int viewY,
|
|
int& screenX,
|
|
int& screenY) { return false; }
|
|
|
|
///
|
|
// Called to allow the client to fill in the CefScreenInfo object with
|
|
// appropriate values. Return true if the |screen_info| structure has been
|
|
// modified.
|
|
//
|
|
// If the screen info rectangle is left empty the rectangle from GetViewRect
|
|
// will be used. If the rectangle is still empty or invalid popups may not be
|
|
// drawn correctly.
|
|
///
|
|
/*--cef()--*/
|
|
virtual bool GetScreenInfo(CefRefPtr<CefBrowser> browser,
|
|
CefScreenInfo& screen_info) { return false; }
|
|
|
|
///
|
|
// Called when the browser wants to show or hide the popup widget. The popup
|
|
// should be shown if |show| is true and hidden if |show| is false.
|
|
///
|
|
/*--cef()--*/
|
|
virtual void OnPopupShow(CefRefPtr<CefBrowser> browser,
|
|
bool show) {}
|
|
|
|
///
|
|
// Called when the browser wants to move or resize the popup widget. |rect|
|
|
// contains the new location and size.
|
|
///
|
|
/*--cef()--*/
|
|
virtual void OnPopupSize(CefRefPtr<CefBrowser> browser,
|
|
const CefRect& rect) {}
|
|
|
|
///
|
|
// Called when an element should be painted. |type| indicates whether the
|
|
// element is the view or the popup widget. |buffer| contains the pixel data
|
|
// for the whole image. |dirtyRects| contains the set of rectangles that need
|
|
// to be repainted. |buffer| will be |width|*|height|*4 bytes in size and
|
|
// represents a BGRA image with an upper-left origin.
|
|
///
|
|
/*--cef()--*/
|
|
virtual void OnPaint(CefRefPtr<CefBrowser> browser,
|
|
PaintElementType type,
|
|
const RectList& dirtyRects,
|
|
const void* buffer,
|
|
int width, int height) =0;
|
|
|
|
///
|
|
// Called when the browser's cursor has changed. If |type| is CT_CUSTOM then
|
|
// |custom_cursor_info| will be populated with the custom cursor information.
|
|
///
|
|
/*--cef()--*/
|
|
virtual void OnCursorChange(CefRefPtr<CefBrowser> browser,
|
|
CefCursorHandle cursor,
|
|
CursorType type,
|
|
const CefCursorInfo& custom_cursor_info) {}
|
|
|
|
///
|
|
// Called when the user starts dragging content in the web view. Contextual
|
|
// information about the dragged content is supplied by |drag_data|.
|
|
// OS APIs that run a system message loop may be used within the
|
|
// StartDragging call.
|
|
//
|
|
// Return false to abort the drag operation. Don't call any of
|
|
// CefBrowserHost::DragSource*Ended* methods after returning false.
|
|
//
|
|
// Return true to handle the drag operation. Call
|
|
// CefBrowserHost::DragSourceEndedAt and DragSourceSystemDragEnded either
|
|
// synchronously or asynchronously to inform the web view that the drag
|
|
// operation has ended.
|
|
///
|
|
/*--cef()--*/
|
|
virtual bool StartDragging(CefRefPtr<CefBrowser> browser,
|
|
CefRefPtr<CefDragData> drag_data,
|
|
DragOperationsMask allowed_ops,
|
|
int x, int y) { return false; }
|
|
|
|
///
|
|
// Called when the web view wants to update the mouse cursor during a
|
|
// drag & drop operation. |operation| describes the allowed operation
|
|
// (none, move, copy, link).
|
|
///
|
|
/*--cef()--*/
|
|
virtual void UpdateDragCursor(CefRefPtr<CefBrowser> browser,
|
|
DragOperation operation) {}
|
|
|
|
///
|
|
// Called when the scroll offset has changed.
|
|
///
|
|
/*--cef()--*/
|
|
virtual void OnScrollOffsetChanged(CefRefPtr<CefBrowser> browser) {}
|
|
};
|
|
|
|
#endif // CEF_INCLUDE_CEF_RENDER_HANDLER_H_
|